Easy
15-30 minutes
This is a genuine Jet replacement part manufactured for use with drum sanders. The metal drum shaft coupling connect the drum, and the motor shaft. There are two couplings, one on the end of either shaft, and they are joined by the spider. The couplings are held to the shafts by set screws. The drum shaft couplings are sold individually, please see model diagram for additional parts.
Drum Shaft Coupling 50-2207
OEM part for: Jet
Part Number: 50-2207
$24.77
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 2 machines
Jet
16-32 Plus (629004K) Sander View Diagrams & Manuals
22-44 Plus Sander View Diagrams & Manuals
This item works with the following types of products:
- Sander Parts
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I am glad that you could provide me with parts that my supplier could not deliver anymore
It is coming in soon now.
iGlobal -
December 15, 2022
Verified Purchase
Just what I needed, when I needed it
Needing a new drum shaft coupling for my drum sander immediately, I first contacted the manufacturer's parts department. They were out of stock, and none of their distributors in my area had any either, so I turned to eReplacements (as usual), and was happy to find that they had it in stock and could ship it to me for delivery on the next business day. I placed my order on a Friday afternoon, and I received the part Monday morning. Thank you eReplacements for getting my shop back in production so quickly.
John -
March 6, 2022
Verified Purchase
Drum sander parts
Have yet to receive the parts, but have been informed that they are in the UK. So far so good.
iGlobal -
December 18, 2021
Verified Purchase
Pretty sure this replacement part is better than the original. Fit PowerMatic 1632 perfectly.
Quick shipping
Guest -
December 15, 2021
Verified Purchase
Part broke in drum sander
I was desperate to get the drum sander working again and found the part at ereplacementparts.com and had the part within a few days. Great service, great quality.
George -
May 5, 2021
Verified Purchase
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Original coupling broke off due to metal fatigue.
DOMINIC - November 4, 2023
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
Parts Used
Raised drum assembly,
Removed motor and height adjustment carriage,
Removed old broken coupling from motor shaft and drum shaft.
Replaced both with new part.
Re assembly of height carriage is difficult in that the lower two bolts are very difficult to get a wrench or socket on.
Removed motor and height adjustment carriage,
Removed old broken coupling from motor shaft and drum shaft.
Replaced both with new part.
Re assembly of height carriage is difficult in that the lower two bolts are very difficult to get a wrench or socket on.
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Spider gear and one half of the drum shaft coupling broke/sheared off
John - March 4, 2022
Tool Type
Sander
Difficulty
Easy
Time
1-2 hours
Tools Used
Socket set
Parts Used
1. Lowered the drum to rest on two pieces of 2x4 lumber.
2. Removed the bolts that attach the drum carriage to the motor slide.
3. Pulled the drum carriage away from the motor slide to separate the two halves of the drum shaft coupling.
4. Loosened the set screws in the broken half of the drum shaft coupling and removed the coupling and the spider.
5. Installed a new half of the drum shaft coupling and tightened the set screws.
6. Installed the spider between the two halves of the drum shaft coupling and pushed the drum carriage back into contact with the motor slide.
7. Installed and tightened the bolts connecting the drum carriage to the motor slide.
8. Followed the instructions in the owners manual to reset the level of the drum in relation to the feed belt.
2. Removed the bolts that attach the drum carriage to the motor slide.
3. Pulled the drum carriage away from the motor slide to separate the two halves of the drum shaft coupling.
4. Loosened the set screws in the broken half of the drum shaft coupling and removed the coupling and the spider.
5. Installed a new half of the drum shaft coupling and tightened the set screws.
6. Installed the spider between the two halves of the drum shaft coupling and pushed the drum carriage back into contact with the motor slide.
7. Installed and tightened the bolts connecting the drum carriage to the motor slide.
8. Followed the instructions in the owners manual to reset the level of the drum in relation to the feed belt.
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Jet 22-44 Plus made a clunk at start and rattle during operation. Broken drive couplings and spider.
Loren - November 28, 2021
Tool Type
Sander
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Wrench Set, Adjustable Wrench, Metric Allen wrenches
Parts Used
WD-40 on all bolts and set screws.
Loosened set screws on couplings.
Elevated drum head with crank for better bottom motor mount screws.
Put boards under motor for support
Remove motor screws and remove motor
Pry off couplings and keys
Clean up drum an motor shafts with emery cloth
Replace couplings and insert spider in drum couplings
Reattach motor, aligning the couplings and tighten bolts
Check couplings position and tighten set screws.
Now it works silently
Loosened set screws on couplings.
Elevated drum head with crank for better bottom motor mount screws.
Put boards under motor for support
Remove motor screws and remove motor
Pry off couplings and keys
Clean up drum an motor shafts with emery cloth
Replace couplings and insert spider in drum couplings
Reattach motor, aligning the couplings and tighten bolts
Check couplings position and tighten set screws.
Now it works silently
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Spider coupling tore
Curtis - July 7, 2021
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set, Alan wrench
Parts Used
The parts were used on a Supermax 16-32. There are four bolts on the drum side to the frame that will need to be removed. The couplings have two alan set screw's that will need to be removed. The couplings slide off easy / some have said they had to use a puller (I did not). The replacement of these parts also solved the clicking noise that I had since the first day of getting my "NEW" Supermax 16-32. I would not recommend replacing the spider without the couplings (2). Careful examination will show that they have damage and cause the new spider coupling to go bad. Total time was less than 15 minutes.
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Spider and coupling shattered over time (16 yrs.)
John - February 15, 2019
Tool Type
Sander
Difficulty
Medium
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
Parts Used
The thing that really helped was building an carriage cradle to hold the motor and another one for the drum & housing, to keep them positioned in the correct plane. And that facilitated the removal of the bolts holding them all together without them crashing apart as the bolts came loose.
This technique was especially helpful when reinstalling the unit after the repair was done to install the now repaired shaft coupler and spider.
This technique was especially helpful when reinstalling the unit after the repair was done to install the now repaired shaft coupler and spider.
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Couplers had loosened to the point where the spider was torn to shreds
Bryan - February 26, 2017
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set, Allen keys
Parts Used
Loosened the 4 motor mounting bolts with a socket set. Removed both couplers with allen keys. Replaced sanding drum side with the new coupler and then motor side. Fit spider in the sanding drum side coupler and remounted motor back into place matching both couplers to each other. Closed any gaps between couplers and tightened with allen keys. Good as new!
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Shaft coupling broke
Robert - February 25, 2016
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Alen wrench
Parts Used
The four bolts holding the motor are difficult to get at. I used a socket with universal joint and still was difficult to get at. First loosen the two allen screws put them in a safe place they don't come with replacement screws take out the four bolts the motor could drop on the floor so hang onto the motor it is a little heavy place the motor on the bench the drum is also discounted. Take all allen screws out pull the couplings off you might need some p b blaster to loosen couplers you don't need a puller let the liquid wrench work it could just pull off if not use a large flat head screw driver to pry loose. There are key ways on both drum and motor couplings. Don't loose them clean the shafts put coupling on the motor first tighten. Then put the one on the drum side just tighten but leave a little loose you will make the adjustment with this coupling spray a little lubricant on the spider this will help keep the spider from binding when put together the couplings should fit tight against the spider make sure it is not bound up. It is great to have someone to hold the motor while putting all together my wife helped me. With everything tight your ready to go. One thing when you put the couplings on the shaft make sure the keys in the key ways are in the middle of the shaft they sometimes slide ahead of the couplings use a small screw driver to push them back in place. I couldn't find anything on the net to show you how to do this they recommend sending it out to be fixed it could be cheaper to buy a new sander. Just kidding keep everything together till you get your new parts and they come fast. Good luck
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All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
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